15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "prims/jvm.h"
26 #include "utilities/decoder_elf.hpp"
27
28 #include <cxxabi.h>
29
30 bool ElfDecoder::demangle(const char* symbol, char *buf, int buflen) {
31 int status;
32 char* result;
33 size_t size = (size_t)buflen;
34
35 // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
36 // __cxa_demangle will call system "realloc" for additional memory, which
37 // may use different malloc/realloc mechanism that allocates 'buf'.
38 if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
39 jio_snprintf(buf, buflen, "%s", result);
40 // call c library's free
41 ::free(result);
42 return true;
43 }
44 return false;
45 }
46
|
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "prims/jvm.h"
26 #include "utilities/decoder_elf.hpp"
27
28 #include <cxxabi.h>
29
30 bool ElfDecoder::demangle(const char* symbol, char *buf, int buflen) {
31 int status;
32 char* result;
33 size_t size = (size_t)buflen;
34
35 #ifdef PPC64
36 // On PPC64 ElfDecoder::decode() may return a dot (.) prefixed name
37 // (see elfFuncDescTable.hpp for details)
38 if (symbol && *symbol == '.') symbol += 1;
39 #endif
40
41 // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
42 // __cxa_demangle will call system "realloc" for additional memory, which
43 // may use different malloc/realloc mechanism that allocates 'buf'.
44 if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
45 jio_snprintf(buf, buflen, "%s", result);
46 // call c library's free
47 ::free(result);
48 return true;
49 }
50 return false;
51 }
52
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